9. Work & Energy
Net Work & Work-Energy Theorem
13:23 minutes
Problem 9n
Textbook Question
Textbook QuestionSusan's 10 kg baby brother Paul sits on a mat. Susan pulls the mat across the floor using a rope that is angled 30° above the floor. The tension is a constant 30 N and the coefficient of friction is 0.20. Use work and energy to find Paul's speed after being pulled 3.0 m.
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